Key for the species of Paranisopodus [translated and adapted from Monné & Monné (2007)] 1. Anterior tubercles of pronotum protuberant, separated by punctate depression.....................................2 - Anterior tubercles of pronotum raised, without depression.....................................................5 2. Elytral centro-basal crest with many granules; basal ventral third of mesofemora with deep semicircular excavation; metatar- somere I expanded at apex..............................................................................3 - Elytral centro-basal crest with only a few granules; basal third of mesofemora without depression; metatarsomere I not expanded at apex......................................................................................4 3. Elytral centro-basal crest longitudinal; metasternum in males with posterolateral row of glossy tubercles. Costa Rica, Panama..................................................................... P. heterotarsus Monné & Martins, 1976 - Elytral centro-basal crest rounded; males without tubercles on metasternum. Bolivia...... P. genieri Monné & Monné, 2007 4. Surface of pronotum smooth between anterior tubercles; prothorax, lateral tubercles with rounded projection on anterior mar- gin; elytra ornate with short setae directed posteriorly. Panama.................... P. granulosus Monné & Monné, 2007 - Surface of pronotum with deep punctures between anterior tubercles; prothorax, lateral tubercles without projections on ante- rior margin; elytral punctures without setae. Costa Rica............................ P. hovorei Monné & Monné, 2007 5. Elytra with elongated centro-basal crest; metatarsomere I dilated at apex, with acute spine directed upward. Colombia, Ecua- dor................................................................... P. paradoxus Monné & Martins, 1976 - Centro-basal crest subcircular; metatarsomere I with unarmed apex..............................................6 6. Basal fourth of elytra with minute granules; elytral pubescence mainly greenish. Peru... P. peruanus Monné & Monné, 2007 - Basal fourth of elytra without granules; elytral pubescence light brown and yellowish brown or grayish................. 7 7. Pronotum with dark-brown longitudinal stripe on each side of midline; pubescence mainly brownish. Venezuela................................................................................. P. araguaensis Monné & Monné, 2007 - Pronotum without dark-brown stripes; pubescence mainly grayish. Bolivia. (Fig. 5)................. P. amoenus sp. nov.

Published as part of Monné, Marcela L. & Monné, Miguel A., 2017, New species of Neotropical Acanthocinini (Coleoptera, Cerambycidae, Lamiinae), pp. 253-262 in Zootaxa 4299 (2) on page 258, DOI: 10.11646/zootaxa.4299.2.5, http://zenodo.org/record/839381